noun, plural ker·a·to·ses [ker-uh-toh-seez] /ˌkɛr əˈtoʊ siz/. Pathology.

any skin disease characterized by a horny growth, as a wart.
any horny growth.

Also keratoma.

Origin of keratosis

First recorded in 1880–85; kerat- + -osis
Related formsker·a·to·sic, ker·a·tot·ic [ker-uh-tot-ik] /ˌkɛr əˈtɒt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for keratotic


noun pathol

any skin condition marked by a horny growth, such as a wart
a horny growth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

keratotic in Medicine



n. pl. ker•a•to•ses (-sēz)

Excessive growth of horny tissue of the skin.
Related formsker′a•totic (-tŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.